Through direct numerical simulations we investigate the effects of spatiotemporal intermittency as a result stable stratification in surface heated stratified open channel flow. By adapting density inversion criterion method Portwood et al. [ J. Fluid Mech. , vol. 807, 2016, R2] for our flow, demonstrate that flow may be robustly separated into regions active turbulence which $Re_B \gtrsim {O}(...

introduction: we have recently reported the presence of two potassium currents with 598 and 368 ps conductance in the rough endoplasmic reticulum (rer) membrane. the 598 ps channel was voltage dependent and atp sensitive. however, the 368 ps channel was rarely observed and its identity remained obscure. since cationic channels in intracellular organelles such as mitochondria and rer play import...

This study was to explore facilitative function of using multimodal channels over single channel presentation and comprehension of idiomatic expressions to Iranian EFL intermediate proficiency learners. Out of a pool of 90, sixty intermediate participants were homogenized by a QPT test, using a quasi-experimental design. They were randomly assigned to three equal groups: WhatsApp-, SMS- and Cla...

In a rarefied gas in an infinitely long channel between two parallel plates, an array of infinitely many plates, arranged longitudinally with uniform interval, is placed along the channel. The array is assumed to be freely movable along the channel. If one side of each plate is heated, the radiometric force acts on it, and the array starts moving toward the cold sides of the plates. The final s...

Introduction: Intracellular pH (pHi) regulates essentially all aspects of cellular activities. However, it is unknown how endoplasmic reticulum (ER) potassium channels sense pHi. In this study, we investigate the direct effects of pHi on ER potassium channels. Methods: We used channel incorporation into the bilayer lipid membrane method. L-α-phosphatidylcholine, a membrane lipid, was extrac...

because of its kinetic nature and computational advantages, the lattice boltzmann method (lbm) has been well accepted as a useful tool to simulate micro-scale flows. the slip boundary model plays a crucial role in the accuracy of solutions for micro-channel flow simulations. the most used slip boundary condition is the maxwell slip model. the results of maxwell slip model are affected by the ac...

A cation channel from Tetrahymena cilia is permeable to both monovalent and divalent cations. A single-file two-site channel model was introduced for explaining the single channel currents of the channel in mixed solutions of K(+) and Ca(2+). In the model it was assumed that two potassium ions or one calcium ion can bind to the binding sites, and that the potassium ions between the binding site...

For discrete optical systems integrated into fibers, the fields of individual waveguides are coupled and correlated with each other. This paper investigates how refractive index can be tuned by thermal diffusion to enhance coupling between waveguides. In this paper, waveguide thermally diffused model twin-core three-core fibers constructed. The multicore fiber is heated a hydrogen-oxygen flame ...